Kubin Company's relevant range of production is 13,000 to 18,000 units. When it produces and sells 15,500 units, its average costs per unit are as follows: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Average Cost per Unit $ 7.48 $ 4.48 $1.98 $ 5.48 $3.98 Fixed administrative expense $2.90 $1.48 Variable administrative expense $ 0.98 Sales commissions Required: 1. If 13,000 units are produced and sold, what is the variable cost per unit produced and sold? 2. If 18,000 units are produced and sold, what is the variable cost per unit produced and sold? 3. If 13,000 units are produced and sold, what is the total amount of variable cost gelated to the units produced and sold? 4. If 18,000 units are produced and sold, what is the total amount of variable cost felated to the units produced and sold? 5. If 13,000 units are produced, what is the average fixed manufacturing cost per unit produced? 6. If 18,000 units are produced, what is the average fixed manufacturing cost per unit produced? 7. If 13,000 units are produced, what is the total amount of fixed manufacturing overhead incurred to support this level of production? 8. If 18,000 units are produced, what is the total amount of fixed manufacturing overhead incurred to support this level of production? (Round per unit values to 2 decimal places.)